Hey /ck/ love you guys!

Have a quick question. I premade a chicken/beef/bean mixture to put over rice for this week, and I wanted to know how/what vegetables I can add to the mixture that wont make it taste like crap.

I'd love to dump a few bags of spinach in there, but the consistancy would be weird(I think). Anyway, if you have some cool ideas, please throw them my way.